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2014/10/15 ¤U¤È 10:09:01
iphone Programming Glossary: filteredUITableView: deleting sections with animation http://stackoverflow.com/questions/1061071/uitableview-deleting-sections-with-animation the cell controller's cell should be removed NSString shouldDisplayString NSString cellController model objectForKey @ filteredDataSet BOOL shouldDisplay shouldDisplayString boolValue if it should be removed if shouldDisplay NSIndexPath cellPath.. count sectionsToDelete addIndex i controllersToDelete addObject controllersToDeleteInCurrentSection copy the unfiltered data so we can remove the data that we want to filter out NSMutableArray newHeaders tableHeaders mutableCopy NSMutableArray.. removeObjectsAtIndexes sectionsToDelete update headers tableHeaders release tableHeaders newHeaders storing filtered table groups self.filteredTableGroups newTableGroups filtering animation and presentation model update self.tableView beginUpdates..
How can I reduce the number of annotations on a map? http://stackoverflow.com/questions/2200504/how-can-i-reduce-the-number-of-annotations-on-a-map Osaka which I want to thin out. But with the pins on their own or in small groups I want to make sure they don't get filtered. Once I zoom in I want to show the missing pins. Does anyone know of some good code that I can use so that points which..
How do you use a moving average to filter out accelerometer values in iPhone OS http://stackoverflow.com/questions/2272527/how-do-you-use-a-moving-average-to-filter-out-accelerometer-values-in-iphone-os pass recursive IIR filter is quick and easy to implement e.g. xf k xf 1.0 k x yf k yf 1.0 k y where x y are the raw unfiltered X Y accelerometer signals xf yf are the filtered output signals and k determines the time constant of the filters typically.. e.g. xf k xf 1.0 k x yf k yf 1.0 k y where x y are the raw unfiltered X Y accelerometer signals xf yf are the filtered output signals and k determines the time constant of the filters typically a value between 0.9 and 0.9999... where a bigger..
How can I record AMR audio format on the iPhone? http://stackoverflow.com/questions/276644/how-can-i-record-amr-audio-format-on-the-iphone version If we want to use AMR instead of PCM AMR Format Sampling Frequency 8 kHz 13 bit 160 samples for 20 ms frames filtered to 200 3400 Hz eight source codecs 12.2 1.2 7.95 7.40 6.70 5.90 5.15 4.75 kbit s generated frame length 244 204 159 148..
Accessing the iPhone's Call log with the iPhone SDK http://stackoverflow.com/questions/341622/accessing-the-iphones-call-log-with-the-iphone-sdk the error I've used NSFileManager to enumerate the folder ' User Library ' . It would appear as if it's returning a filtered set of results that exclude the 'CallHistory' folder along with several of the other folders. The File system uses a series..
Advance search implementation in iphone? http://stackoverflow.com/questions/4208282/advance-search-implementation-in-iphone search functionality so that if a particular text is typed in search bar the list of contents in UITableview should be filtered based on the search and then the search text occurances should be highlighted Please give me some ideas iphone uitableview..
Can example “GLImageProcessing” work with multi filters http://stackoverflow.com/questions/4375479/can-example-glimageprocessing-work-with-multi-filters the result in a texture instead of the system provided frame buffer . Then use the result texture which contains the filtered image as input for the next filter and again render to texture. Repeat until you reach the very last filter of the chain...
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll is active while searching will possibly have callbacks called while you are searching and try to incorrectly use the filtered version of your FRC and you will see exceptions thrown about incorrect number of sections or rows in sections. Here is what..
How to apply “filters” to AVCaptureVideoPreviewLayer http://stackoverflow.com/questions/5156872/how-to-apply-filters-to-avcapturevideopreviewlayer this kind of custom image filtering. It also handles capturing video and displaying it to the screen after being filtered requiring as few as six lines of code to set all of this up. For more on the framework you can read my more detailed announcement..
Are the Core Image filters in iOS 5.0 fast enough for realtime video processing? http://stackoverflow.com/questions/6625888/are-the-core-image-filters-in-ios-5-0-fast-enough-for-realtime-video-processing As with any performance related question the answer will depend on the complexity of your filters the image size being filtered and the performance characteristics of the device you're running on. Because Core Image has been available for a while on..
Accelerometer Low Pass Filtering http://stackoverflow.com/questions/6942626/accelerometer-low-pass-filtering in this code you are multiplying the acceleration at the moment by the Filtering factor 0.1 and then adding it to the filtered acceleration of the last time an update was called by 0.9. This is pretty much getting the new value and adding it as 10..
UITextField should have only positive number http://stackoverflow.com/questions/6954382/uitextfield-should-have-only-positive-number NSString string NSCharacterSet cs NSCharacterSet characterSetWithCharactersInString LEAGELNUM invertedSet NSString filtered string componentsSeparatedByCharactersInSet cs componentsJoinedByString @ BOOL basicTest string isEqualToString filtered..
iPhone, “More than maximum 5 filtered album lists trying to register. This will fail.” Error http://stackoverflow.com/questions/7167373/iphone-more-than-maximum-5-filtered-album-lists-trying-to-register-this-will &ldquo More than maximum 5 filtered album lists trying to register. This will fail.&rdquo Error When I try to read an image from the photo library I get the.. This will fail.&rdquo Error When I try to read an image from the photo library I get the error More than maximum 5 filtered album lists trying to register. This will fail. The image is not read. Any idea how to fix this iphone xcode uiimage uiimagepickercontroller..
http://stackoverflow.com/questions/9630237/nspredicate-subquery-syntax @ SUBQUERY row_values rv rv.property_id @ AND rv.property_value @ .@count 0 @ 47cc67093475061e01000540 @ Male NSArray filtered dataRows filteredArrayUsingPredicate p So let's see what this predicate is doing. Start with the outer most level SUBQUERY.. rv rv.property_id @ AND rv.property_value @ .@count 0 @ 47cc67093475061e01000540 @ Male NSArray filtered dataRows filteredArrayUsingPredicate p So let's see what this predicate is doing. Start with the outer most level SUBQUERY stuff .@count 0.. items were in it .@count and see if that's greater than 0. If it is then the top level dictionary will be in the final filtered array. Dig in to the SUBQUERY SUBQUERY row_values rv rv.property_id @ AND rv.property_value @ There are three parameters..
How can you apply distortions to a UIImage using OpenGL ES? http://stackoverflow.com/questions/9886843/how-can-you-apply-distortions-to-a-uiimage-using-opengl-es imageByFilteringImage inputImage This will create a UIImage from disk use OpenGL ES to filter it and return a filtered UIImage for you to work with. You can use a GPUImagePicture and a custom filter pipeline if you'd like to perform more advanced..
How to deal with non-visible rows during row deletion. (UITableViews) http://stackoverflow.com/questions/998603/how-to-deal-with-non-visible-rows-during-row-deletion-uitableviews So what do I do in this situation Code that causes exception follows. Note that I actually create a new array called filteredTableGroups in another method. This is the updated model. allTableGroups is every Cell Controller. Each cell controller contains.. is every Cell Controller. Each cell controller contains a dictionary used to populate it's cells data. I use a key filteredDataSet to determine whether a cell should remain in the filtered table. During the tableview cell deletion I swap tableGroups.. used to populate it's cells data. I use a key filteredDataSet to determine whether a cell should remain in the filtered table. During the tableview cell deletion I swap tableGroups to point to the updated model. I am created my code similar..
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